// Copyright 2016-2019 hxmhlt
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package registry

import (
	"fmt"
	"math/rand"
	"time"
)
import (
	"gitee.com/dubbogo/dubbo-go/common"
)

func init() {
	rand.Seed(time.Now().UnixNano())
}

//////////////////////////////////////////
// service url event type
//////////////////////////////////////////

type ServiceEventType int

const (
	ServiceAdd = iota
	ServiceDel
)

var serviceEventTypeStrings = [...]string{
	"add service",
	"delete service",
}

func (t ServiceEventType) String() string {
	return serviceEventTypeStrings[t]
}

//////////////////////////////////////////
// service event
//////////////////////////////////////////

type ServiceEvent struct {
	Action  ServiceEventType
	Service common.URL
}

func (e ServiceEvent) String() string {
	return fmt.Sprintf("ServiceEvent{Action{%s}, Path{%s}}", e.Action, e.Service)
}
